Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"sang ma trinh slippers" » "sang va trinh slippers", "sang lap trinh slippers", "sang qua trinh slippers", "tang ma trinh slippers", "nang ma trinh slippers", "sang tao trinh slippers", "sang ma trinh slippery", "sang ma trinh grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("sang ma trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("sang ma trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( sang ma trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("sang ma trinh slippers"))) or ("locating bug code snippets"))*.